关联代码：
'relAskList'=>array(
self::HAS_MANY,
'ArticleAsk',
'ARTICLE_DETAIL_ID',
'select'=>'ARTICLE_ASK_ID, ARTICLE_DETAIL_ID, ASK_DIRECTION, ASK_OTHER_ACTION, ASK_NOTE, ASK_USER_ID, TO_CHAR(ASK_TIME,\'dd/MM/yyyy hh24:mi:ss\')',
),
抛错：
CDbException
Description
Active record "ArticleAsk" is trying to select an invalid column "TO_CHAR(ASK_TIME". Note, the column must exist in the table or be an expression with alias.